مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2002
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn "Abbas that a sheep belonging to Maimoonah died, and the Messenger of Allah (ﷺ) said: “Why don"t you make use of its skin? Why don"t you tan it, because that will purify it?”
Musnad Ahmad 2003Sahih (Darussalam) [ alBukhari (1492) and Muslim (364)]